Muff



FIG. 1 is a front elevational view of a muff showing my new design;

FIG. 2 is a side elevational view thereof the opposite side is a mirrorimage;

FIG. 3 is a rear elevational view thereof; and,

FIG. 4 is a sectional view taken in the direction of line 4--4 of FIG.1.

The broken line showing of the strap in FIGS. 1 and 3 is forillustrative purposes only and forms no part of the claimed design.

The ornamental design for a muff, as shown and described.